Desktop / Laptop Operating System

Qubes OS is a security-focused desktop operating system that aims to provide security through isolation. Virtualization is performed by Xen, and user environments can be based on Fedora, Debian, Whonix, and Microsoft Windows, among other operating systems.OS: Windows, Linux, etc etc

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A Debian based security-focused Linux OS consisting of two virtual machines, a “Workstation” and a Tor “Gateway”. All communications are forced through the Tor network to accomplish anonymity.OS: Windows, Linux, etc etc

A Debian Linux distribution designed to be resistant to surveillance and interference by sophisticated adversaries over the Internet. By default, it anonymizes Internet traffic by sending it through the Tor network.OS: Windows, Linux, etc etc

An OS with the purpose of protecting data and people against surveillance attacks with trojan software by creating a secure, isolated environment for processing and encrypting/decrypting sensitive data.OS: Windows, Linux, etc etc

Mobile Operating System

An open-source OS for smartphones and tablet computers, based on the Android mobile platform. Tools such as Privacy Guard allow you to control what your apps can do and access.OS: Windows, Linux, etc etc

An OS based on Android that allows you to circumvent the need for Google’s proprietary software on your device while retaining nearly full functionality through free open-source software (FOSS).OS: Windows, Linux, etc etc

Live CD Operating System

A live OS that you can start from a USB stick or a DVD. It helps you use the Internet anonymously by all connections to the Internet are forced to go through the Tor network. It leave no trace on the computer you are using and uses state-of-the-art cryptographic tools to encrypt your files, emails and instant messaging. OS: Windows, Linux, etc etc

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A lightweight Linux OS that focuses on ease of use and minimal memory footprint. The entire system can be run from RAM with current versions generally taking up about 210 MB, allowing the boot medium to be removed after the operating system has started.OS: Windows, Linux, etc etc

A minimal Linux OS focusing on providing a base system using BusyBox and FLTK. The distribution is notable for its small size (11 to 16 MB) and minimalism – additional functions are provided by extensions.OS: Windows, Linux, etc etc

A live operating system that you can start on almost any computer from a DVD, USB stick, or SD card. It preserves your privacy by forcing all Internet connections through a VPN then Tor network with DNS encryption.OS: Windows, Linux, etc etc

Router

An open-source firewall/router software based on FreeBSD. It is installed on a physical computer or a virtual machine to make a dedicated firewall/router for a network. It can be configured and upgraded through a web-based interface, and requires no knowledge of the underlying FreeBSD system to manage.OS: Windows, Linux, etc etc

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An open-source project for operating system based on Linux, primarily used on embedded devices to route network traffic. All components have been optimized to be small enough to fit into the limited storage and memory available in home routers.OS: Windows, Linux, etc etc

A Linux distribution for computers with minimal resources. It aims to give its users freedom and control over the software that runs on their hardware and supports a wide range of routers.OS: Windows, Linux, etc etc

Linux-based firmware for wireless routers and access points. One of a handful of third-party firmware projects designed to replace manufacturer’s original firmware with custom firmware offering additional features or functionality.OS: Windows, Linux, etc etc

Web Browser

A modified version of Firefox that routes all internet traffic through the Tor network which helps defend against traffic analysis. It comes with pre-installed privacy add-ons and encryption. These include the TorButton, TorLauncher, NoScript, and HTTPS Everywhere Firefox extensions and the Tor proxy.OS: Windows, Linux, etc etc

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A fast and reliable open-source browser that respects your privacy. With a little bit of adjusting of the default settings and a few privacy add-ons, Firefox is a solid choice for secure private browsing.
OS: Windows, Linux, etc etc

An add-on that deletes any cookies not being used automatically when a browser tab is closed. It prevents tracking by other cookies and allows you to add only the ones you trust with a whitelist feature.
OS: Windows, Linux, etc etc

An extension developed collaboratively by The Tor Project and the Electronic Frontier Foundation (EFF) that encrypts your communications with many major websites (if they support it) with the option “Block all HTTP requests” making your browsing more secure.
OS: Windows, Linux, etc etc

A complements regular content blockers that protects you against tracking through “free”, centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking.
OS: Windows, Linux, etc etc

An add-on which you can use to control exactly what network requests are made by the browser with point & click and thus what is loaded in the web page you have requested. Use it to block scripts, iframes, ads, Facebook, etc.
OS: Windows, Linux, etc etc

An add-on that allows executable web content based on JavaScript, Java, Flash, Silverlight, and other plugins only if the site hosting is considered trusted by its user and has been previously added to a whitelist. It also offers specific countermeasures against security exploits.
OS: Windows, Linux, etc etc

VPN

The company is located in Switzerland and they operate 39 servers in 23 different countries. Every server is configured to support the OpenVPN, IPSec, PPTP, SSH2, Squid, and Socks5 protocols.OS: Windows, Linux, etc etc

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A free internet metasearch engine which aggregates results from more than 70 search services. Users are neither tracked nor profiled. Additionally, it can be used over Tor for online anonymity.
OS: Windows, Linux, etc etc

Provides Google search results without Google tracking you. Features include no collecting or sharing of private information and an Anonymous View which allows you to view a search result without actually visiting the web page and getting loaded up with cookies and trackers.
OS: Windows, Linux, etc etc

Email Hosting

Lets you become your own mail service provider (like Gmail) in a few easy steps that you control from top to bottom. It turns a fresh cloud computer into a working mail server without needing to be a technology expert to set it up.OS: Windows, Linux, etc etc

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An end-to-end encrypted email service that uses client-side encryption to protect email contents and user data before they are sent to ProtonMail servers. The service can be accessed through a webmail client, the Tor network, or dedicated iOS and Android apps. ProtonMail is based in the Canton of Geneva, and its servers are located at two locations in Switzerland, outside of US and EU jurisdiction.
OS: Windows, Linux, etc etc

An email service designed to protect your privacy with built in OpenPGP encryption support, IP anonymization, servers hosted in Switzerland and ability to pay in non-traceable forms such as Bitcoin, Western Union and Cash by snail mail.
OS: Windows, Linux, etc etc

Email Clients

An open-source email application that’s easy to set up and customize developed by the Mozilla Foundation. It’s add-on functionality allows for the use of OpenPGP and Tor encryption to ensure privacy.OS: Windows, Linux, etc etc

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A free data encryption and decryption application which provides end-users with a privacy and authentication system for communicating allowing you to sign, encrypt, and decrypt text, for email, files, directories, or entire disk partitions. Alternatively use GPGTools for macOS.
OS: Windows, Linux, etc etc

More Email Privacy Tools

A browser extension that enables you to encrypt and sign electronic messages, including attached files, without the use of a separate, native email client (like Thunderbird) using the OpenPGP standard.
OS: Windows, Linux, etc etc

Email Alternatives

A plugin for I2P anonymizing network that allows users to send and receive emails without the need for a mail server because emails are stored in a distributed hash table. They are automatically encrypted and digitally signed, to ensures only the intended recipient can read the email, and third parties cannot forge them.
OS: Windows, Linux, etc etc

A decentralized, encrypted, peer-to-peer, trustless communications system that can be used by one person to send encrypted messages to one or many subscribers. It does this inside its P2P network, mixing it with inboxes of other users in order to conceal user’s identity, prevent eavesdropping and allow the network to operate in a decentralized manner.
OS: Windows, Linux, etc etc

Creates encrypted connections to your friends, which is completely decentralized and provides various distributed services on top of it including mail, forums, channels, and chat.
OS: Windows, Linux, etc etc

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A end-to-end encrypted app that backs up and syncs your contacts and calendars across devices and to the cloud in a secure way while maintaining a full history of the changes.
OS: Windows, Linux, etc etc

Instant Messaging

An open-source app that provides instant messaging, as well as voice and video calling that are end-to-end encrypted. The app is developed by Open Whisper Systems and there are no advertisements, and it doesn’t cost anything to use.OS: Windows, Linux, etc etc

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An IM app that uses the Tor network to reach your contacts without relying on messaging servers. Everything is encrypted end-to-end and it creates a hidden service, which is used to rendezvous with your contacts without revealing your location or IP address. Your list of contacts is only known to your computer – never exposed to servers or network traffic monitoring.
OS: Windows, Linux, etc etc

An open-source software messaging application for iOS which allows OTR and OMEMO encryption for the XMPP protocol that features built-in support for anonymous communication on the Tor network.
OS: Windows, Linux, etc etc

Video & Voice Messaging

An open-source app that provides instant messaging, as well as voice and video calling that are end-to-end encrypted. The app is developed by Open Whisper Systems and there are no advertisements, and it doesn’t cost anything to use.OS: Windows, Linux, etc etc

Password Manager

Cross-platform password manager recommended by the Electronic Frontier Foundation that helps you to securely manage your passwords. Passwords are stored in an encrypted database (AES and Twofish) which is locked with a master key or a key file.OS: Windows, Linux, etc etc

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Open-source password manager that generates unique passwords based on a master password and information you know using PBKDF2 and SHA-256. It eliminates the need to sync password across devices.
OS: Windows, Linux, etc etc

Open-source password management service that stores sensitive information such as website credentials in an encrypted vault. It offers a cloud-hosted service as well as the ability to deploy the solution on-premise.
OS: Windows, Linux, etc etc

Differs from traditional password managers. Its passwords aren’t stored: they are generated on-demand using information entered by the user; most importantly, their full name, a master password, and a unique name for the service.
OS: Windows, Linux, etc etc

File Sharing

Securely and anonymously share files of any size. A web server is started, making OnionShare accessible as a encrypted Tor Onion Service. A random address is generated for the recipient to open in the Tor Browser to download the files. No separate server or third party file-sharing service is required.OS: Windows, Linux, etc etc

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Command-line tool which makes it possible to securely transfer arbitrary-sized files and directories (or short pieces of text) from one computer to another. The two endpoints are identified by using identical “wormhole codes” which are generated from a phonetically-distinct wordlist.
OS: Windows, Linux, etc etc

Cloud Storage & File Sync

Self-hosted, open-source file sync and share solution designed to be easy-to-use and highly secure. Powerful on-server and End-to-end Encryption. Files can be stored inside your own infrastructure, without any third party ever gaining access.OS: Windows, Linux, etc etc

Open-source file-sharing and sync software that runs on your own own server or in the cloud providing more control, safety and privacy, and favorable TCOs compared to SaaS drives.
OS: Windows, Linux, etc etc

Free and open decentralized cloud storage system that distributes your data across multiple servers. Even in the event of failure or an attack, the entire file store continues to function correctly, preserving your privacy and security.
OS: Windows, Linux, etc etc

File Encryption

Disk Encryption – Freeware utility used for on-the-fly encryption (OTFE). It can create a virtual encrypted disk within a file that mounts as a real disk or encrypt a partition or the entire storage device with pre-boot authentication.OS: Windows, Linux, etc etc

Disk Encryption – Open encryption solution that offers encryption of all disk partitions, including the system partition. It’s openess is in sharp contrast with comparable completely proprietary software, which is unacceptable to use for protection of confidential data.
OS: Windows, Linux, etc etc

Darkweb & Self-contained Networks

A modified version of Firefox that routes all internet traffic through the Tor network which helps defend against traffic analysis. It comes with pre-installed privacy add-ons and encryption. These include the TorButton, TorLauncher, NoScript, and HTTPS Everywhere Firefox extensions and the Tor proxy.OS: Windows, Linux, etc etc

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An anonymous overlay network – a network within a network. It is intended to protect communication from dragnet surveillance and monitoring by third parties such as ISPs. Uses include anonymous Web surfing, chatting, blogging and file transfers.
OS: Windows, Linux, etc etc

Free software which lets you anonymously share files, browse and publish web sites accessible only through Freenet, and chat on forums without fear of censorship. It’s decentralised to make it less vulnerable to attack, and if used in “darknet” mode, where users only connect to their friends, is very difficult to detect.
OS: Windows, Linux, etc etc

Creates encrypted connections to your friends, which is completely decentralized and provides various distributed services on top of it including mail, forums, channels, and chat.
OS: Windows, Linux, etc etc

Domain Name System (DNS)

A protocol for securing communications between a client and a DNS resolver. The protocol uses high-speed high-security elliptic-curve cryptography and is very similar to DNSCurve, but focuses on securing communications between a client and its first-level resolver.OS: Windows, Linux, etc etc

An alternate network information center/alternative DNS root which lists itself as an alternative to ICANN and its registries. Like all alternative root DNS systems, OpenNIC-hosted domains are unreachable to the vast majority of the Internet. Only specific configuration in one’s DNS resolver makes these reachable, and very few Internet service providers have this configuration.
OS: Windows, Linux, etc etc

Paste Services

Minimalist, open-source online pastebin where the server has zero knowledge of pasted data. Data is encrypted/decrypted in the browser using 256 bits AES. It is the improved version of ZeroBin.OS: Windows, Linux, etc etc

Digital Notebook

Fully featured open-source note taking and to-do application, which can handle a large number of markdown notes organized into notebooks and tags. It offers E2EE encryption and can sync through Nextcloud, Dropbox and more. It also offers easy import from Evernote and plain text notes.OS: Windows, Linux, etc etc

Productivity Tools

Open-source web application that encrypts and decrypts text in the browser. It’s password (or its hash) is never sent to the server – so that text can’t be decrypted even if requested by authorities. No cookies, no sessions, no registration, no users tracking and no ads.OS: Windows, Linux, etc etc

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Privacy-oriented blogging platform that’s anonymous by default, letting you publish without signing up. If you create an account, it doesn’t require any personal information. No ads, distraction-free, and built on a sustainable business model.
OS: Windows, Linux, etc etc